Add ExtraDockerOptions in node configuration

pkg/apis/config/v1alpha4/types.go

@@ -100,6 +100,8 @@ type Node struct {
 	// binded to a host Port
 	ExtraPortMappings []PortMapping `yaml:"extraPortMappings,omitempty"`
 
+	ExtraDockerOptions []string `yaml:"extraDockerOptions,omitempty"`
+
 	// KubeadmConfigPatches are applied to the generated kubeadm config as
 	// merge patches. The `kind` field must match the target object, and
 	// if `apiVersion` is specified it will only be applied to matching objects.

pkg/cluster/internal/providers/docker/provision.go

@@ -183,6 +183,7 @@ func runArgsForNode(node *config.Node, name string, args []string) []string {
 	// convert mounts and port mappings to container run args
 	args = append(args, generateMountBindings(node.ExtraMounts...)...)
 	args = append(args, generatePortMappings(node.ExtraPortMappings...)...)
+	args = append(args, node.ExtraDockerOptions...)
 
 	// finally, specify the image to run
 	return append(args, node.Image)

pkg/internal/apis/config/convert_v1alpha4.go

@@ -48,6 +48,8 @@ func convertv1alpha4Node(in *v1alpha4.Node, out *Node) {
 	out.Role = NodeRole(in.Role)
 	out.Image = in.Image
 
+	out.ExtraDockerOptions = in.ExtraDockerOptions
+
 	out.KubeadmConfigPatches = in.KubeadmConfigPatches
 	out.ExtraMounts = make([]Mount, len(in.ExtraMounts))
 	out.ExtraPortMappings = make([]PortMapping, len(in.ExtraPortMappings))

pkg/internal/apis/config/types.go

@@ -74,6 +74,8 @@ type Node struct {
 	// binded to a host Port
 	ExtraPortMappings []PortMapping
 
+	ExtraDockerOptions []string
+
 	// KubeadmConfigPatches are applied to the generated kubeadm config as
 	// strategic merge patches to `kustomize build` internally
 	// https://github.com/kubernetes/community/blob/a9cf5c8f3380bb52ebe57b1e2dbdec136d8dd484/contributors/devel/sig-api-machinery/strategic-merge-patch.md